Steam and air blower.



Patented June 27, I899. E. FALES.

STEAM AND AIR BLOWER.

(Application filed Nov. 11, 169B.) 4N0 Model.)

2 Sheets-Sheet l.

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E. FALES. STEAM AND AIR BLOWER.

(Appfication filed Nov. 11, 1898.)

Patented June 27, I899.

2 Sheets-Sheet 2.

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ED1VARD FALES, OF WINTHROP, MASSACHUSETTS.

STEAM AND AIR BLOWER.

SPECIFICATION forming part of Letters Patent No. 627,725, dated June 27, 1899. Application filed November 11,1898. fierial No. 696,141. (No model.)

To CLZZ whont it may concern:

Be it known that I, EDWARD FALES, a citizen of the United States,residin g at Winthrop, Suffolk county, State of Massachusetts, have invented a new and useful Improvement in Steam and Air Blowers for Steam-Generatin g Boilers, of which the following is a specification.

My invention is related to furnaces using bituminous coal and may be applied where any kind of fuel is used; and the objects of my invention are, first, to produce better combustion, and thereby prevent the development of black smoke; second, to create a more intense heat, thus preventing the formation of clinkers, and, third, to provide a mechanical device simple in construction and easily attached to any furnace. I attain these objects by a mechanism illustrated in the accompanying drawings, in which- Figure 1 is a front elevation of a boiler-furnace with the furnace-front removed, showing all parts of the device. Fig. :2 is a righthand side view of the wall of a furnace with a part cut away, showing an end view of the mechanism. Fig. 3 is a left-hand side view of the left-hand side wall, partially cut away, showing the counterweight and box in which it is located. Fig. 4 is a top view with all the wall and boiler removed, showing the grate and blowing-frame device. Fig. 5 is an interior side view with a part of the wall removed, showing the relative position of the blower while in operation over the coal. Fig. (3 is an enlarged detailed view of the entire device, including a portion of the walls. Fig. 7 is a perspective view of a section of the central tube provided with numerous perforations along one side. Figs. 8, 9, and 10 are enlarged views of separate parts of the operating mechanism.

Similar letters referto similar parts throughout the several views.

The letter A indicates the furnace,and B the boiler, both of which may be of any approved construction.

In applying my invention to the ordinary furnace I provide two metallic boxes I), which are placed in recesses made in the front end walls of the furnace, one at each side of the opening through which fuel is fed. The inner wall of each box is provided with a hearing 16, in which is journaled the arms 11 of a blower-frame 1. This blower-frame consists of a horizontal tube of extra-heavy steampiping, which is provided at each end with a reducing-elbow, in which is secured a short tube 16 at right angles to the horizontal tube. Each tube 16 is in turn connected to the arms 11 by means of an elbow connection,as plainly indicated in Figs. 1, 4, and 6, and one of said armsthe right hand one-is hollow and has its outer end connected to a T-coupling 17, by means of a suitable loose connection or stuffing-box, so as to permit the frame to be swung upwardly and downwardly. The other or solid arm 11 is provided with a counterweight 12, which serves to so balance the frame that it may readily and quickly swing in its upward and downward movements, as will be hereinafter more fully described.

Secured in the upper arm of the T-conpling 17 is one end of a steam or air supply pipe d, the other end of said pipe being connected with the steam-dome (not shown) of the boiler or other source of supply. The pipe (I is provided with a suitable valve 14, by means of which the steam or air is turned on or out off. A lever 8, clamped to the hollow or tubular arm 11 by means of the bolt 8, serves as a means by which the frame is rocked or swung from its normal position to a vertical position and then back again. Secured in the lower arm of the T-coupling is a draw-pipe d, which is provided with avalve (1 by means of which the water of condensation may be drawn off when steam is used to promote combustion.

Projecting from the upper end 'of the lever 8 at right angles thereto is an arm 2, on which is pivoted one end of a draw-bar 7, having a handle 7, by means of which the draw-bar may be withdrawn and pushed in to operate the lever in a forward and backward direction, respectively.

The stem of the valve 14: projects inwardly and has loosely mounted thereon a weighted lever 9, having a tapering upper end 9 and a broadened and weighted lower end, so that it will be caused to normally hang or swing in a vertical position. Mounted on the extreme end of the valve-stem 14, which is squared, is a fork 10,-and projecting from the inner side of the weighted lever is a stud or pin 4,

I position, which is its normal position, to the raised or vertical position, as shown in Fig. 5 by full and dotted lines. As the lever Sis drawn forward the arm 2 comes in contact with the upper end of the weighted lever, which is forced forward until said arm rides or passes over the end of said weighted lever, permitting it-to assume its normal position. At the same time this operation is taking place the pin or stud 4 will engage one of the prongs of the fork 10, and the continued movement of the lever 8 and its arm 2 causes the fork to turn the valve-stem and close the valve, thus automatically shutting off the supply of steam or air. WVith the parts in this position the fuel may be readily thrown in without danger of interfering with any of said parts. As soon as the draw-bar is pushed in to force lever 8 back to normal position, the blower-frame is rocked to its horizontal position, and as the lever moves back the arm 2 again comes in contact with the upper end of the weighted lever on the side opposite to its first contact and pushes said end backward until it again passes over the end'thereof and permits the said weighted lever to return to normal position. At the same time this return operation is taking place the pin or stud 4 engages the other prong of the fork, which turns the valve-stem and again opens the valve to automatically turn 011 the steam or air.

The steam or air, as will be seen, is injected horizontally above and parallel with the surface of the bed of fuel, and as the normal position of the perforated tube is so close to the surface of the incandescent coal the steam becomes superheated. In this position the-hydrogen becomes united with the oxygen of the air, which is admitted through the draft-openings in the furnace-doors, and consequently greater combustion is obtained, which rapidly consumes the carbon and thereby prevents the escape of the black smoke.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a smoke-consuming device, the combination with a furnace, of a rocking injectortube situated inside of the furnace, provided with a counterbalance, means for rocking the injector-tube in one direction to automatically supply steam or air to the injector-tube, and means for rocking said injector-tube in the opposite direction to automatically cut off the supply of steam or air.

2. In a smoke-consuming device, the combin ation with a furnace, of a rocking injectortube, provided with a counterbalance, a supply-tube connected with the injector-tube, a valve or cock located in the supply-tube, a lever secured to the hollow arm of said injeotor-tube, and means operated by said le- Ver to automatically turn on and out off the supply of steam or air.

3. In a smoke-consuming device, the combination with a furnace, of a rocking injectortube provided with a counterbalance, a supply-tube connected with the injector-tube, a valve or cock located in the supply-tube, an operating-lever secured to the hollow arm of said injector-tube, a weighted lever pivoted on the val ve-stem, a fork secured on said valve-stem and a stud or pin on the weighted lever projecting between the prongs of the fork, and an arm carried by the operatinglever, whereby the supply of steam or air may be automatically turned on or cut off.

4. In a smoke-consuming device, the combination with a furnace, of an injector-tube provided with a hollow and a solid arm, journaled in suitable bearings, a counterbalance attached to the solid arm and a supply-tube connected with the hollow arm, a valve located in the supply-tube, means secured to the hollow arm for rocking the injector-tube, and means attached to the valve-stem and operated by the rocking means to automatically turn on and cut off the or air.

EDIVARD FALES.

WVitnesses:

JAMES FENTRESS, J12, J OHN D. TULL.

supply of steam 

